Pedal Body3 Lubricated sealed bearing,high strength aluminum alloy 6061 material, Cr-Mo steel axle CNC machined, 9/16’’ Standard spindle, keep flat pedals spin smooth and without noise. | GREAT GRIP20 aluminum ANTI-SKID nails in the surface for efficiency pedaling. This bike pedals prevent your shoes from sliding off when it is wet.Strong grasps and better for riding and racing. | DURABLE & STURDYHigh strength aluminum alloy flat pedals fit for mountain bike pedals , road bike pedals, bmx pedals , exercise bike pedals, fixie bike pedals,folding bike pedals. | EASY INSTALLATIONUsing 8mm hexagon installation and removal, L for left pedal, R for right pedal. |